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Image guided interventional procedures statistics

Data submitted for the IGIP survey in 2019 are summarised below.

Submissions were received from 21 facilities incorporating 42 interventional rooms. A total of 47 surveys were submitted, with data from procedures for 1278 patients.

Facility reference levels (FRLs) were computed for all surveys that included at least 10 patients. The data for coronary angiography are presented below as this was the only protocol with sufficient data.

NDRLS IGIP survey 2019 coronary aniogram survey median DAP distribution. Y axis is number of surveys, X axis is 'median dose area product (Gy.cm squared). Graph has text that says "75th percentile = 28.8 GY.cm squared. 35 room medians.

Figure 1a: Coronary angiogram survey median DAP distribution

 

 

A bar graph of NDRLS IGIP survey 2019 results for Coronary angiogram patient DAP distribution. Y axis is number of patients, X axis is dose area product (Gy cm squared). Contains the text "75th percentile = 32.7 gy.cm squared. 970 patients.

Figure 1b:  Coronary angiogram patient DAP distribution

 

A bar graph of NDRLS IGIP survey 2019 results for Coronary angiogram survey median reference dose distribution. Y axis is number of surveys, x-axis is median reference point dose (Gy). The graph features the text "75th percentile = 0.44 Gy, 35 room median

Figure 2a: Coronary angiogram survey median reference dose distribution

 

Bar graph of NDRLS IGIP survey 2019 results for coronary angiogram patient reference dose distribtion. Y axis is number of patients, x-axis is reference point dose (Gy). Graph reads: 75th percentile=0.50 Gy, 970 patients

Figure 2b: Coronary angiogram patient reference dose distribution

 

Dot graph of NDRLS IGIP survey 2019 results for coronary angiogram dose-area product vs patient weight. Y axis is survey median dose-area product (Gy.cm squared) X axis is survey median patient weight (kg)

Figure 3: Coronary angiogram dose-area product vs patient weight

 

Dot graph of NDRLS IGIP survey 2019 results for coronary angiogram dose-area product vs number of frames. Y axis is survey median dose-area product (Gy cm squared) (0 to 40). X axis is survey median number of frames (200 to 1000)

Figure 4: Coronary angiogram dose-area product vs number of frames

 

A dot graph of NDRLS IGIP survey 2019 results for coronary angiogram reference point dose vs dose-area product. Y axis is reference point dose (GY) (0 to 4) X-axis is dose-area product (GY cm squared (0 to 200)

Figure 5: Coronary angiogram reference point dose vs dose-area product